A compound attribute that is the ratio of amount of adhesion G protein-coupled receptor E2 (human) in blood to amount of sialoadhesin (human) in blood. The trait is OBA_2053743 (ADGRE2/SIGLEC1 protein level ratio in blood). Also known as: the ratio of amount of adhesion G protein-coupled receptor E2 (human) in blood to amount of sialoadhesin (human) in blood.